body{
    margin: 0;
}

html, body,#app{
    height: 100%;
}
h1,h2,h3,h4,h5,h6{
    padding: 0;
    margin: 0;
}
ul{
    list-style: none;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
  }